A comparison of citric acid solubilities of commercially available Eppawala rock phosphate and selectively mined primary apatite crystals after mixing with peat

Rathnayake, M.P.K.Kumaragamage, D.Dahanayake, K.2014-11-122014-11-121993Tropical Agricultural Research, 5:p.69-76https://dl.nsf.gov.lk/handle/1/11692AgricultureFertilizersA comparison of citric acid solubilities of commercially available Eppawala rock phosphate and selectively mined primary apatite crystals after mixing with peatA